CN207000442U - A kind of uphill starting accessory system - Google Patents
A kind of uphill starting accessory system Download PDFInfo
- Publication number
- CN207000442U CN207000442U CN201720771870.8U CN201720771870U CN207000442U CN 207000442 U CN207000442 U CN 207000442U CN 201720771870 U CN201720771870 U CN 201720771870U CN 207000442 U CN207000442 U CN 207000442U
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- CN
- China
- Prior art keywords
- ramp
- pilot controller
- signal
- accessory system
- uphill starting
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- Expired - Fee Related
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Abstract
The utility model belongs to technical field of electronic control, there is provided a kind of uphill starting accessory system, including：Power supply, ramp pilot controller, parking brake switchs, brake switch, Slope Transducer, control unit of engine, EBA, the power supply is powered to the ramp pilot controller and the EBA, the parking brake switch, the brake switch, it is connected respectively with an input of the ramp pilot controller with the Slope Transducer, the other end of the parking brake switch and the brake switch is grounded, the input of the EBA is connected with the output end of the ramp pilot controller, the control unit of engine is connected by CAN with the ramp pilot controller.It can effectively be prevented in uphill starting using the utility model, cause to slip by slope because of situations such as driving force deficiency.
Description
Technical field
It the utility model is related to technical field of electronic control, more particularly to a kind of uphill starting accessory system.
Background technology
Vehicle can run into a variety of different starting situations in the process of moving, wherein vehicle started to walk on ramp be it is a kind of compared with
For difficult and common starting situation.Directly start to walk, can be short of power in the presence of starting on ramp, the hidden danger such as vehicle rollback is right
Travel safety brings larger harm.
Utility model content
The purpose of this utility model is to provide a kind of uphill starting accessory system, with solve prior art on ramp directly
Starting, can be short of power in the presence of starting, the problem of the hidden danger such as vehicle rollback.
To achieve these goals, the utility model provides following technical scheme：
A kind of uphill starting accessory system, including：
Power supply, ramp pilot controller, parking brake switch, brake switch, Slope Transducer, control unit of engine, auxiliary
Brakes, the power supply are powered to the ramp pilot controller and the EBA, and the parking brake switchs, be described
Brake switch and the Slope Transducer are connected with an input of the ramp pilot controller respectively, and the parking brake is opened
Close and the other end of the brake switch is grounded, the input of the EBA is defeated with the ramp pilot controller
Go out end to be connected, the control unit of engine is connected by CAN with the ramp pilot controller；
The parking brake is switched for sending hand-braking signal to the ramp pilot controller；
The brake switch is used to send pedal brake signal to the ramp pilot controller；
The Slope Transducer is used to send grade signal to the ramp pilot controller；
The control unit of engine is used to send driving torque signal to CAN；
The ramp pilot controller is receiving the hand-braking signal for showing parking brake and unclamping, is showing stepping on for non-pedal
Plate brake signal and after showing the grade signal that the gradient is not zero, the driving torsion according to needed for the grade signal of reception determines starting
Square, and driving torque controls the EBA to carry out less than needed for during driving torque in the driving torque signal of reception
Braking.
Preferably, the uphill starting accessory system also includes：
Gearbox control, it is connected by CAN with the ramp pilot controller, for aiding in controlling to the ramp
Device processed sends shift signal；
Velocity sensor, it is connected with another input of the ramp pilot controller, for being aided in the ramp
Controller transmission speed signal and direction signal；
The ramp pilot controller is when receiving the rate signal being not zero, according to the direction signal of reception and gear
Position signal determines whether to slip by slope, and controls the EBA to be braked when slipping by slope.
Preferably, the velocity sensor includes：
Left front wheel speed sensors, left back wheel speed sensors, off-front wheel speed sensor and off hind wheel speed sensor, respectively with
One input of the ramp pilot controller is connected.
Preferably, the EBA includes：
Energize mechanism, stored energy mechanism, magnetic valve, the second relay and executing agency, the control terminal of the energy supply mechanism with
The output end of the ramp pilot controller is connected, and the output end of the energy supply mechanism passes through the first tracheae and the stored energy mechanism
Input be connected, the output end of the stored energy mechanism is connected by the second tracheae with the executing agency, second tracheae
Upper setting magnetic valve, the input of the magnetic valve are connected with a movable contact of second relay, second relay
Another movable contact of device is connected with the positive pole of the power supply, the both ends of the coil of second relay respectively with the ramp
The output end of pilot controller is connected；
After the ramp pilot controller controls the second relay closure, the power supply to the solenoid valve with
The magnetic valve is driven to open, the stored energy mechanism drives the executing agency to be braked.
Preferably, the energy supply mechanism includes：First relay, electromagnetic clutch and air compressor, described first after
Two movable contacts of electrical equipment are connected with the positive pole of the power supply and the input of the electromagnetic clutch respectively, first relay
The both ends of the coil of device are connected with two output ends of the ramp pilot controller respectively；
After the ramp pilot controller controls the first relay closure, the power supply supplies to the electromagnetic clutch
To control the air compressor to operate, the air compressor pressurizes electricity to the stored energy mechanism in the running.
Preferably, the stored energy mechanism is gas receiver.
Preferably, the executing agency includes：Power transmission shaft, fixation hollow axle, high resiliency sealing rubber ring and friction plate, Gu
Determine hollow shaft sleeve on power transmission shaft, and connected between the two by high resiliency sealing rubber ring, high resiliency sealing rubber ring it is interior
Circle is rigidly connected fixation with power transmission shaft, and outer ring sets several friction plates, and friction plate has gap with fixation hollow axle inside diameter surface.
Preferably, the energy supply mechanism also includes：Baroceptor, be arranged on the stored energy mechanism, and with the slope
Road pilot controller is connected, for sending pressure information to the ramp pilot controller；
The ramp pilot controller controls first relay to close when the pressure received is less than given threshold,
To control the air compressor to be pressurizeed to the stored energy mechanism.
Preferably, the uphill starting accessory system also includes：
Alarm, it is connected with the ramp pilot controller, the ramp pilot controller is controlling the auxiliary braking
When system is braked, the alarm is controlled to be alarmed.
Preferably, the alarm include it is following any one or more：
Loudspeaker, indicator lamp and buzzer.
Uphill starting accessory system provided by the utility model includes power supply, ramp pilot controller, parking brake switch, braking
Switch, Slope Transducer, control unit of engine, EBA.When vehicle is in ramp, unclamps in parking brake and do not step on
In the case of brake-apply, can there are the risk slipped by slope, the utility model if the driving torque deficiency that engine provides
The ramp pilot controller of offer is in the pedal brake for receiving the hand-braking signal for showing parking brake and unclamping, showing non-pedal
Signal and after showing the grade signal that the gradient is not zero, the driving torque according to needed for the grade signal of reception determines starting, and
The EBA is controlled to be braked when driving torque is less than required driving torque in the driving torque signal of reception.This
Sample can be prevented effectively in uphill starting, cause to slip by slope because of situations such as driving force deficiency.
Further, uphill starting accessory system provided by the utility model, in addition to：Gearbox control and speed pass
Sensor, when the direction signal that velocity sensor is sent is inconsistent with shift signal, then show to slip by slope, by described in control
EBA is braked, and resistance can continue to slip by slope in time.
Further, uphill starting accessory system provided by the utility model, the energy supply mechanism also include：Air pressure sensing
Device, when the pressure of stored energy mechanism is relatively low, pressurizeed, rather than a kind of control air compressor is pressurizeed, and can effectively be reduced
Energy consumption.
Further, uphill starting accessory system provided by the utility model, in addition to：Alarm, it can so deposit
It is short of power in step, is alarmed during the hidden danger such as vehicle rollback, avoids that traffic accident occurs.
Brief description of the drawings
Fig. 1 is a kind of structural representation of uphill starting accessory system provided by the utility model；
Fig. 2 is ramp provided by the utility model-driving torque table of comparisons.
Reference：
In Fig. 1：
K1 brake switch K2 parking brakes switch
TCU gearbox control EMS engine controllers
The left front left back wheel speed sensors of wheel speed sensors L2 of L1
L3 off-front wheel speed sensor L4 off hind wheel speed sensors
J1 the first relay the second relays of J2
C baroceptors
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
It refer to shown in Fig. 1, be a kind of structural representation of uphill starting accessory system provided by the utility model.At this
In embodiment, uphill starting accessory system provided by the utility model includes：Power supply, ramp pilot controller, parking brake switch
K2, brake switch K1, Slope Transducer, engine controller EMS, EBA, the power supply aid in the ramp
Controller and EBA power supply, parking brake switch K2, the brake switch K1 and the Slope Transducer point
It is not connected with an input of the ramp pilot controller, the other end of the parking brake switch K2 and brake switch K1
Ground connection, the input of the EBA are connected with the output end of the ramp pilot controller, the engine control
Device EMS is connected by CAN with the ramp pilot controller.
Wherein, the parking brake switch K2 is used to send hand-braking signal, the braking to the ramp pilot controller
Switch K1 to be used to send pedal brake signal to the ramp pilot controller, the Slope Transducer is used for auxiliary to the ramp
Controller is helped to send grade signal, the engine controller EMS is used to send driving torque signal to CAN.The slope
Road pilot controller receive show parking brake unclamp hand-braking signal, show non-pedal pedal brake signal and
After showing the grade signal that the gradient is not zero, the driving torque according to needed for the grade signal of reception determines starting, and in reception
The EBA is controlled to be braked when driving torque is less than required driving torque in driving torque signal.Thus may be used
Situations such as effectively to avoid prior art from being slipped by slope when unclamping parking brake and not trampling brake pedal.For example, by demarcating
To vehicle under different gradient required driving torque, when vehicle is on ramp while unclamps parking brake, and loosen the brake
When, the ramp pilot controller in system works the EBA in infinitely fast control system；Ramp auxiliary control simultaneously
The driving torque that device is exported to Current vehicle calculates, and by result of calculation and the slope that is stored in the pilot controller of ramp
Required driving torque corresponding to degree is compared calculating, and it can be to be calculated once every 10ms that the comparison of the above, which calculates, work as ramp
When pilot controller calculates required driving torque corresponding to the driving torque >=gradient for arriving currently practical output, now illustrate vehicle
Driving force has been enough the gravity for overcoming vehicle, and now vehicle will not slip by slope, and ramp pilot controller will be auxiliary in control system
Help brakes to be stopped, so as to eliminate brake power-assisted during starting in time, ensure that vehicle is smoothly started to walk in time.Such as Fig. 2
It is shown, it is ramp provided by the utility model-driving torque table of comparisons.Certainly, ramp-driving torque pair of different vehicles
It is different according to the specific data of table, citing is merely illustrative herein.
In a specific embodiment, the EBA includes：Energize mechanism, stored energy mechanism, magnetic valve, second
Relay J2 and executing agency, the control terminal of the energy supply mechanism is connected with the output end of the ramp pilot controller, described
The output end of energy supply mechanism is connected by the first tracheae with the input of the stored energy mechanism, and the output end of the stored energy mechanism is led to
Cross the second tracheae with the executing agency to be connected, magnetic valve, the input of the magnetic valve and institute are set on second tracheae
A movable contact for stating the second relay J2 is connected, another movable contact of the second relay J2 and the positive pole of the power supply
It is connected, the output end of the both ends of the coil of the second relay J2 respectively with the ramp pilot controller is connected.
Wherein, after the ramp pilot controller controls the second relay J2 closures, the power supply gives the electromagnetism
To drive the magnetic valve to open, the stored energy mechanism drives the executing agency to be braked for valve power supply.
Preferably, the energy supply mechanism includes：First relay J1, electromagnetic clutch and air compressor, described first
Relay J1 two movable contacts are connected with the positive pole of the power supply and the input of the electromagnetic clutch respectively, and described first
The both ends of relay J1 coil are connected with two output ends of the ramp pilot controller respectively；The ramp auxiliary control
After device controls the first relay J1 closures, the power supply is powered to the electromagnetic clutch to control the air compressor
Operating, the air compressor pressurize to the stored energy mechanism in the running.The stored energy mechanism is gas receiver.The execution machine
Structure includes：Power transmission shaft, fixation hollow axle, the part of high resiliency sealing rubber ring three form, fixation hollow axle sleeve on power transmission shaft,
And connected between the two by high resiliency sealing rubber ring, the inner ring of high resiliency sealing rubber ring is rigidly connected with power transmission shaft all the time
Fixed, outer ring studs with some friction plates, and gap be present with fixation hollow axle inside diameter surface.
The operation principle of the executing agency：When not being filled with pressure-air in high resiliency sealing rubber ring, thereon
There is gap in the inside diameter surface of friction plate and fixation hollow axle, at this moment, power transmission shaft can be rotated freely.When high resiliency caulking gum
When pressure-air is filled with circle, rubber ring expands because of inflation, and its external diameter becomes big, originally the gap between fixation hollow axle because
This disappears, and friction plate turns into rigid contact with fixation hollow axle, and now, power transmission shaft is by rubber ring " swollen dead " in fixation hollow axle
And stop transmission, realize the function of brake.After air pressure discharges in high resiliency sealing rubber ring, its internal diameter diminishes, and power transmission shaft is again
It is free to rotate.Specifically, when meeting auxiliary brake condition of work, ramp pilot controller controls the second relay J2 to close
Close, solenoid valves are opened, and executing agency obtains brake pressure, and vehicle is in braking state.When releasing brake, it is only necessary to make electromagnetism
Valve dead electricity, exhaust, executing agency lose brake pressure, and brake releases.Wherein, the driving torque calculation formula of reality output is：
Driving torque=engine torque × transmission ratio × final tooth gearratio × mechanical efficiency, engine torque is by engine
Controller EMS is sent to the ramp pilot controller, and transmission ratio comes from gearbox control TCU, and final tooth passes
Dynamic ratio and mechanical efficiency are certain value.
Further, the energy supply mechanism also includes：Baroceptor C, be arranged on the stored energy mechanism, and with it is described
Ramp pilot controller is connected, for sending pressure information to the ramp pilot controller；The ramp pilot controller exists
Pressure controls the first relay J1 to close when being less than given threshold, to control the air compressor to the stored energy mechanism
Pressurization.Specifically, ramp pilot controller detection baroceptor C air pressure, the ramp auxiliary control when air pressure is less than 0.5Mpa
Device processed controls the first relay J1 closures, so that electromagnetic clutch is powered, and then causes air compressor work, until control
Stop when atmospheric pressure value reaches 0.8Mpa in device detection baroceptor C air pressure signal, can so avoid air compressor one
Straight work, causes efficiency of energy utilization low.
In other embodiments, the uphill starting accessory system can also include：Gearbox control TCU, passes through CAN
Bus is connected with the ramp pilot controller, for sending shift signal to the ramp pilot controller；Velocity sensor,
Be connected with another input of the ramp pilot controller, for the ramp pilot controller transmission speed signal and
Direction signal；The ramp pilot controller is when receiving the rate signal being not zero, according to the direction signal of reception and gear
Position signal determines whether to slip by slope, and controls the EBA to be braked when slipping by slope.
In a specific embodiment, ramp pilot controller monitors wheel direction of advance by velocity sensor, and leads to
Cross the gear signal from CAN and confirm whether current wheel steering and gear direction are consistent, when wheel steering and gear side
To it is inconsistent when, pilot controller acquiescence in ramp is currently at car rolling state (such a situation continues to step on the gas after uphill starting
Not enough or stop easily occurring when stepping on the gas), the executing agency in infinitely fast control system is braked to avoid danger, and after
The continuous driving torque carried out in above example, which calculates, to be judged, when driving torque is more than the driving torque of demand, stops braking
In order to which vehicle travels.
Preferably, the velocity sensor includes：Left front wheel speed sensors L1, left back wheel speed sensors L2, off-front wheel speed
Sensor L3 and off hind wheel speed sensor L4, is connected with an input of the ramp pilot controller respectively.So may be used
To be effectively increased system to slipping by slope the sensitivity of detection.
In yet another embodiment, the uphill starting accessory system can also include：Alarm, aided in the ramp
Controller is connected, and the ramp pilot controller controls the alarm when controlling the EBA to be braked
Alarmed.Wherein, the alarm include it is following any one or more：Loudspeaker, indicator lamp and buzzer.So can be
It is short of power in the presence of step, is alarmed during the hidden danger such as vehicle rollback, avoids that traffic accident occurs.
Although the utility model combination above example is described, the utility model is not limited to above-mentioned reality
Example is applied, and is only limited by claim, those of ordinary skill in the art easily can modify and change to it, but simultaneously
Without departing from essential idea of the present utility model and scope.
Claims (10)
- A kind of 1. uphill starting accessory system, it is characterised in that including：Power supply, ramp pilot controller, parking brake switch, brake switch, Slope Transducer, control unit of engine, auxiliary braking System, the power supply are powered to the ramp pilot controller and the EBA, the parking brake switch, the braking Switch and the Slope Transducer are connected with an input of the ramp pilot controller respectively, parking brake switch and The other end ground connection of the brake switch, the output end of the input of the EBA and the ramp pilot controller It is connected, the control unit of engine is connected by CAN with the ramp pilot controller；The parking brake is switched for sending hand-braking signal to the ramp pilot controller；The brake switch is used to send pedal brake signal to the ramp pilot controller；The Slope Transducer is used to send grade signal to the ramp pilot controller；The control unit of engine is used to send driving torque signal to CAN；The ramp pilot controller is in the pedal system for receiving the hand-braking signal for showing parking brake and unclamping, showing non-pedal After moving signal and showing the grade signal that the gradient is not zero, the driving torque according to needed for the grade signal of reception determines starting, and The EBA is controlled to be braked when driving torque is less than required driving torque in the driving torque signal of reception.
- 2. uphill starting accessory system according to claim 1, it is characterised in that the uphill starting accessory system is also wrapped Include：Gearbox control, it is connected by CAN with the ramp pilot controller, for the ramp pilot controller Send shift signal；Velocity sensor, it is connected with another input of the ramp pilot controller, for aiding in controlling to the ramp Device transmission speed signal and direction signal；The ramp pilot controller is believed when receiving the rate signal being not zero according to the direction signal of reception and gear Number determine whether to slip by slope, and control the EBA to be braked when slipping by slope.
- 3. uphill starting accessory system according to claim 2, it is characterised in that the velocity sensor includes：Left front wheel speed sensors, left back wheel speed sensors, off-front wheel speed sensor and off hind wheel speed sensor, respectively with it is described One input of ramp pilot controller is connected.
- 4. uphill starting accessory system according to claim 1, it is characterised in that the EBA includes：Energize mechanism, stored energy mechanism, magnetic valve, the second relay and executing agency, the control terminal of the energy supply mechanism with it is described The output end of ramp pilot controller is connected, and the output end of the energy supply mechanism passes through the defeated of the first tracheae and the stored energy mechanism Enter end to be connected, the output end of the stored energy mechanism is connected by the second tracheae with the executing agency, is set on second tracheae Magnetic valve is put, the input of the magnetic valve is connected with a movable contact of second relay, second relay Another movable contact is connected with the positive pole of the power supply, and the both ends of the coil of second relay aid in the ramp respectively The output end of controller is connected；After the ramp pilot controller controls the second relay closure, the power supply gives the solenoid valve to drive The magnetic valve is opened, and the stored energy mechanism drives the executing agency to be braked.
- 5. uphill starting accessory system according to claim 4, it is characterised in that the energy supply mechanism includes：First after Electrical equipment, electromagnetic clutch and air compressor, two movable contacts of first relay respectively with the positive pole of the power supply and The input of the electromagnetic clutch is connected, the both ends of the coil of first relay respectively with the ramp pilot controller Two output ends be connected；After the ramp pilot controller controls the first relay closure, the power supply to the electromagnetic clutch power with The air compressor is controlled to operate, the air compressor pressurizes to the stored energy mechanism in the running.
- 6. uphill starting accessory system according to claim 4, it is characterised in that the stored energy mechanism is gas receiver.
- 7. uphill starting accessory system according to claim 4, it is characterised in that the executing agency includes：Power transmission shaft, Fixation hollow axle, high resiliency sealing rubber ring and friction plate, fixation hollow axle sleeve is on power transmission shaft, and between the two by high-elastic Property sealing rubber ring connection, the inner ring of high resiliency sealing rubber ring and power transmission shaft be rigidly connected fixation, and outer ring sets several frictions Gap be present with fixation hollow axle inside diameter surface in piece, friction plate.
- 8. uphill starting accessory system according to claim 5, it is characterised in that the energy supply mechanism also includes：Air pressure Sensor, it is arranged on the stored energy mechanism, and is connected with the ramp pilot controller, for aids in controlling to the ramp Device sends pressure information；The ramp pilot controller controls first relay to close when the pressure received is less than given threshold, with control The air compressor is made to pressurize to the stored energy mechanism.
- 9. uphill starting accessory system according to claim 1, it is characterised in that the uphill starting accessory system is also wrapped Include：Alarm, it is connected with the ramp pilot controller, the ramp pilot controller is controlling the EBA When being braked, the alarm is controlled to be alarmed.
- 10. uphill starting accessory system according to claim 9, it is characterised in that the alarm includes following any It is one or more：Loudspeaker, indicator lamp and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720771870.8U CN207000442U (en) | 2017-06-28 | 2017-06-28 | A kind of uphill starting accessory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720771870.8U CN207000442U (en) | 2017-06-28 | 2017-06-28 | A kind of uphill starting accessory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207000442U true CN207000442U (en) | 2018-02-13 |
Family
ID=61449253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720771870.8U Expired - Fee Related CN207000442U (en) | 2017-06-28 | 2017-06-28 | A kind of uphill starting accessory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207000442U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194170A (en) * | 2019-07-01 | 2019-09-03 | 安徽江淮汽车集团股份有限公司 | A kind of ramp parking control method, device and storage medium |
| CN110901412A (en) * | 2019-12-06 | 2020-03-24 | 中国人民解放军陆军装甲兵学院士官学校 | Safe starting control system for ramp of electric vehicle |
| CN112706769A (en) * | 2019-10-25 | 2021-04-27 | 郑州宇通重工有限公司 | Hill starting auxiliary control method and system |
-
2017
- 2017-06-28 CN CN201720771870.8U patent/CN207000442U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194170A (en) * | 2019-07-01 | 2019-09-03 | 安徽江淮汽车集团股份有限公司 | A kind of ramp parking control method, device and storage medium |
| CN112706769A (en) * | 2019-10-25 | 2021-04-27 | 郑州宇通重工有限公司 | Hill starting auxiliary control method and system |
| CN110901412A (en) * | 2019-12-06 | 2020-03-24 | 中国人民解放军陆军装甲兵学院士官学校 | Safe starting control system for ramp of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20200628 |